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package com.lihle.designconceptsprinciples.question3.openorcloseprinciple.obeys.model;

/**
 *
 * @author user
 */
public interface CalcTopInterface {
    
    public CalcInterface bckuplstCalc();
    public void replyLstCalculation(NewCalcInterface cal);
    public int getCalcResults();
    public void setNumber1(int no1);
    public void setNumber2(int no2);
    
}
